Amorphous Silicon Solar Cells (Amorton)
Amorton is Panasonic's proprietary amorphous silicon solar cell, world's first integrated (series-connectable) type. It utilizes irregular atomic arrangements in amorphous silicon, leading to more frequent photon-silicon interactions and higher light absorption compared to crystal silicon. This allows for the production of ultrathin films (less than 1 m) for power generation. Amorton's unique manufacturing process allows for series connection of multiple cells on a single substrate, enabling customized voltage outputs for various applications. It offers high sensitivity within the visible light spectrum, making it suitable for both power generation and light sensing. The product name 'Amorton' is derived from 'amorphous silicon' and 'photon' (light particle).
Product Attributes
- Brand: Amorton (Panasonic)
- Material: Amorphous Silicon
- Origin: World's first integrated amorphous silicon solar cell
Technical Specifications
| Feature | Description |
|---|---|
| Material Properties | Amorphous silicon features irregular atomic arrangements, allowing more light absorption than crystal silicon. Ultrathin films (< 1 m) can be produced. |
| Cell Connection | Integrated (series-connectable) structure, allowing for custom voltage design. Multiple cells can be connected in series on a single substrate. |
| Substrate Variety | Can utilize glass, stainless steel, or plastic films as substrates, enabling various shapes (round, square, bent) and complex designs. |
| Light Sensitivity | High sensitivity within the visible light spectrum (approx. 400-700 nm), similar to the human eye, enabling use as visible light sensors. |
| Application Light Sources | Suitable for sunlight and artificial light sources including incandescent, fluorescent, electric discharge lamps, and LEDs. |
| Standard Test Conditions (STC) | Solar irradiance: 1000W/ (AM-1.5), Cell temperature: 25. |
| Illumination Levels (Indoor) | Offices: 300-600 lx, Restaurants/coffee shops: 75-150 lx, Indoor emergency staircases: < 75 lx. |
| Illumination Levels (Outdoor) | Sunny Noon: 100,000 lx, Sunny 10:00 a.m.: 65,000 lx, Sunny 3:00 p.m.: 35,000 lx, Cloudy Noon: 32,000 lx. |
| Electrical Properties (Outdoor Use - Glass Type) | Value | Conditions |
|---|---|---|
| Open-circuit voltage | 0.89V/cell | AM-1.5, 100mW/ (25) |
| Short-circuit current | 14.8mA/c | AM-1.5, 100mW/ (25) |
| Maximum power | 7.89mW/c | AM-1.5, 100mW/ (25) |
| Electrical Properties (Outdoor Use - Film Type) | Value | Conditions |
|---|---|---|
| Open-circuit voltage | 0.82V/cell | AM-1.5, 100mW/ (25) |
| Short-circuit current | 12.0mA/c | AM-1.5, 100mW/ (25) |
| Maximum power | 5.6mW/c | AM-1.5, 100mW/ (25) |
Applications
Amorton solar cells are suitable for a wide range of applications, including:
- Wristwatches / Clocks / Wall clocks
- Calculators
- Energy-harvesting equipment
- Wireless sensor networks / RFID tags / RF remote controls
- Power sources for multiple cards attached to displays
- Power sources of wearable terminals
- Toys
- e-books
- Outdoor lighting (garden lights, sensor lights, LED blinkers)
- Car accessories and battery chargers
- Security devices
- Power sources for other electric equipment and digital displays
- Reduction of battery replacements and extension of battery life for appliances using dry cells and coin batteries
- IoT devices
- Power supply for human body sensors, temperature & humidity sensors
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